The Inca Civilization has no written language of history. The history of the is passed down orally from generation to generation. They have a lot of art and pottery that helps archaeologist understand the way they lived. The Inca Civilization originated in the Andes mountains. Starting at about 1200 to 1438 the empire slowly grew until around the year 1438 the Incas started expanding rapidly. The Inca Civilization grew off of the idea that nature could explain all the unexplainable parts of life. Like how we came to be and why they lived the way they lived. Most of their myths dealt with the earth and the land surrounding them.